The Amphipoda of Bermuda. 



95 



joint slightly longer than broad, second joint long, tapering, provided 

 with many long setae on distal half of inner margin and apex. 

 Second maxillae with inner plate narrower than outer and tapering 

 slightly, with apex rounded and provided with plumose spines on 

 distal third of inner margin and apex ; outer plate slightly longer 

 than inner plate with outer margin rounded, inner margin straight, 

 slightly broader toward distal end than at base and provided with 

 setae. Maxillipeds with inner plates moderately long, provided with 

 many setae distally and on inner margin, apex rounded ; outer plate 

 large, inner margin straight, outer strongly convex, provided with 

 many long setae on apex and numerous very short ones on inner 



Fig. 37. Grubia crassicornis (A. Costa). 



margin ; palp 4-jointed of which the tirst joint reaches farther than 

 the inner plate and the second about as far as outer plate and 

 is provided with plumose spines on inner margin, third joint nearly 

 as long as second, more or less oval in form, with many setae on 

 inner margin and a fascicle on outer margin near distal end and a 

 second fascicle at apex, fourth joint conical and provided with a 

 nail apically which equals the joint itself in length. 



In female lirst gnathopods with epimeron about as long as high, 

 with ventral margin much longer than dorsal, convex and furnished 

 with a few very short setae; second joint moderately stout, broader 

 at distal end than at proximal, furnished with 2 long setae on po •.- 



